document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026870>Question 1026870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> We have to make 50 ounces of a 60% acid solution. I have a 30% acid solution and an 80% acid solution to work with. How many ounces of the 30% acid solution and the 80% acid solution do I need? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642161 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=642161\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have to make 50 ounces of a 60% acid solution. I have a 30% acid solution and an 80% acid solution to work with. How many ounces of the 30% acid solution and the 80% acid solution do I need? <BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "t + e = 50 ounces<BR>\n" );
document.write( "30t + 80e = 60*50<BR>\n" );
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document.write( "Modify for elimination:<BR>\n" );
document.write( "30t + 30e = 30*50<BR>\n" );
document.write( "30t + 80e = 60*50<BR>\n" );
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document.write( "Subtract and sove for \"e\"::<BR>\n" );
document.write( "50e = 30*50<BR>\n" );
document.write( "e = 30 ounces (amt. of 80% needed)<BR>\n" );
document.write( "t = 50-30 = 20 ounces (amt. of 30% needed)<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------------ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );